[NTLUG:Discuss] Can sendmail listen on multiple ports?

[Bug Hunter]

On Thu, 16 Nov 2000, Rusty Haddock wrote:

> Egome wrote:
>     >sooOOoOOooo, if I could make sendmail listen on ports 25 AND say...2525, we
>     >could BYPASS the SMTP filter.
>     >
>     >So, can it be done?  I have yet to find out how to make it listen on BOTH
>     >ports?  Am I missing something?
>     >
>     >-Richard
> 
> No, you're not really missing anything, well, so far as I can tell. 
> Sendmail will only listen on one port. 
> 

  another way to do it is to use ipchains, set up a firewall on a server,
and forward port 2525 connections to that server to port 25 on your mail
server.

  this way sendmail still sees things on port 25, and all stays straight